Home / 13,661.74-20,493.34-4,302.49

Finding the Fourth Proportional to 13,661.74, 20,493.34 and 4,302.49

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Solution

The fourth proportional to 13,661.74, 20,493.34 and 4,302.49 is: 6,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.74 : 20,493.34 = 4,302.49 : x
  2. Step 2: Convert to fraction form
    13,661.74/20,493.34 = 4,302.49/x
  3. Step 3: Cross multiply
    13,661.74x = 20,493.34 × 4,302.49
  4. Step 4: Simplify right side
    13,661.74x = 88,172,442.64
  5. Step 5: Solve for x
    x = 88,172,442.64/13,661.74
  6. Step 6: Final answer
    x = 6,453.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.